/**
 * Copyright 2019 zgqq <zgqjava@gmail.com>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.flycat.db.mybatis;

import java.util.List;

public class QueryUtils {

    public static String createIdString(List idList) {
        StringBuilder builder = new StringBuilder();
        if (idList == null || idList.isEmpty()) {
            return null;
        }
        for (int i = 0; i < idList.size(); i++) {
            if (i == idList.size() - 1) {
                builder.append(idList.get(i));
            } else {
                builder.append(idList.get(i) + ",");
            }
        }
        return builder.toString();
    }
}
